About the Authors

Patricia McGettigan

Affiliation Hull York Medical School, Hull, United Kingdom

David Henry


Affiliations Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada, Department of Medicine, University of Toronto, Toronto, Ontario, Canada, Discipline of Clinical Pharmacology, School of Medicine and Public Health, University of Newcastle, Newcastle, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PM DAH. Analyzed the data: PM DAH. Contributed reagents/materials/analysis tools: DAH PM. Wrote the first draft of the manuscript: PM. Contributed to the writing of the manuscript: DAH. ICMJE criteria for authorship read and met: DAH PM. Agree with manuscript results and conclusions: DAH PM.